22042343331 has 12 divisors (see below), whose sum is σ = 32196682440. Its totient is φ = 14529783840.

The previous prime is 22042343317. The next prime is 22042343359. The reversal of 22042343331 is 13334324022.

22042343331 is a `hidden beast` number, since 2 + 204 + 23 + 433 + 3 + 1 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-22042343331 is a prime.

It is a super-2 number, since 2×22042343331² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22042343295 and 22042343304.

It is not an unprimeable number, because it can be changed into a prime (22042343311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13758465 + ... + 13760066.

It is an arithmetic number, because the mean of its divisors is an integer number (2683056870).

Almost surely, 2^22042343331 is an apocalyptic number.

22042343331 is a deficient number, since it is larger than the sum of its proper divisors (10154339109).

22042343331 is a wasteful number, since it uses less digits than its factorization.

22042343331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27518626 (or 27518623 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 22042343331 its reverse (13334324022), we get a palindrome (35376667353).

The spelling of 22042343331 in words is "twenty-two billion, forty-two million, three hundred forty-three thousand, three hundred thirty-one".